On Dec 7, 2007 10:25 PM, Greg Smith <gsmith@gregsmith.com> wrote:
> > "Smoothed" makes a lot of sense for me. We used to have a checkpoint
> > spike, now we don't.
>
> To be accurate, there used to be a huge and unavoidable spike, now there's
> a control that aims to make it smaller. The problem hasn't completely
> gone away yet.
Agreed.
> "Distributed checkpoints prevent I/O spikes during checkpoints"
>
> It's good this came up, because that is factually wrong;
Agreed.
> "Checkpoint writes can be spread over a longer time period to smooth the
> I/O spike during each checkpoint"
Sounds good to me.
> It's got spread, it's got smooth, and if I could have worked "silky" in
> there too I would have.
:)
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Jonah H. Harris, Sr. Software Architect | phone: 732.331.1324
EnterpriseDB Corporation | fax: 732.331.1301
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